-96.78% is the change from 559 to 18
Calculation steps:
[( 18 - 559 ) ÷ 559] x 100 = -96.78%
Formula
Percentage change = [(18 - 559) / 559] x 100
Subtract the new number by the original number
18 - 559 = -541
-541 ÷ 559 = -0.9677996422182469
-0.9677996422182469 x 100 = -96.78%